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Potential anti-inflammatory treatments against cutaneous sulfur mustard injury using the mouse ear vesicant model

TitlePotential anti-inflammatory treatments against cutaneous sulfur mustard injury using the mouse ear vesicant model
Publication TypeJournal Article
Year of Publication2002
AuthorsDachir S., Fishbeine E., Meshulam Y., Sahar R., Amir A., Kadar T.
JournalHum Exp ToxicolHum Exp Toxicol
Volume21
Pagination197-203
Date PublishedApr
Accession Number12099621
KeywordsAdministration, Topical, Animals, Anti-Inflammatory Agents, Non-Steroidal/*pharmacology, Anti-Inflammatory Agents/pharmacology, Ear/*injuries, Edema/chemically induced/drug therapy, Irritants/*toxicity, Mice, Models, Animal, Mustard Gas/*toxicity, Skin/drug effects/injuries, Steroids
Abstract

In spite of several decades of research, no effective treatment to skin injuries following exposure to sulfur mustard (HD) has yet been found. In the present study, the mouse ear vesicant model was applied to awake mice in order to evaluate the efficiency of potential anti-inflammatory treatments in preventing HD-induced skin damages. Clinical follow-up and histological evaluation were used to characterize the injuries to the skin and to evaluate the efficiency of the drugs that were applied. Thus, the extent of mouse ear oedema and the histopathological changes following a single application of 0.2 or 1 microL of neat HD for 10 min (representing moderate and severe lesions, respectively), were monitored. Typical HD skin lesions were observed including epithelial and dermal damage. The development of the injury in mouse ears was found to be very similar to that reported in human skin. Screening of post-exposure topical steroids and non-steroidal antiinflammatory drugs (NSAIDs) proved that HD-induced inflammation could be diminished significantly as long as the treatment was applied during the early stages following exposure. A combined application of these drugs approved to be particularly effective in reducing inflammation.

Short TitleHuman & experimental toxicology

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